TY  - BOOK
AU  - Bibby, C. J.
TI  - Red data birds in Britain: action for rare, threatened and important species 
SN  - 0856610569
AV  - QL690.G7 .R425 1990
PY  - 1990///
CY  - London
PB  - T AND A D Poyser
KW  - Birds - Britain
KW  - Zoology
N1  - Includes bibliographical references and index
ER  -